Commit 9ca340c9 authored by Honghui Zhang's avatar Honghui Zhang Committed by Joerg Roedel
Browse files

iommu/mediatek: move the common struct into header file 



Move the struct defines of mtk iommu into a new header files for
common use.

Signed-off-by: default avatarHonghui Zhang <honghui.zhang@mediatek.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 7e42626a

drivers/iommu/mtk_iommu.c

+1 −47
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
#include <dt-bindings/memory/mt8173-larb-port.h>

#include <soc/mediatek/smi.h>



#include "io-pgtable.h"

#include "mtk_iommu.h"



#define REG_MMU_PT_BASE_ADDR			0x000
@@ -93,20 +93,6 @@ 


#define MTK_PROTECT_PA_ALIGN			128



struct mtk_iommu_suspend_reg {

	u32				standard_axi_mode;

	u32				dcm_dis;

	u32				ctrl_reg;

	u32				int_control0;

	u32				int_main_control;

};



struct mtk_iommu_client_priv {

	struct list_head		client;

	unsigned int			mtk_m4u_id;

	struct device			*m4udev;

};



struct mtk_iommu_domain {

	spinlock_t			pgtlock; /* lock for page table */
@@ -116,19 +102,6 @@ struct mtk_iommu_domain { 
	struct iommu_domain		domain;

};



struct mtk_iommu_data {

	void __iomem			*base;

	int				irq;

	struct device			*dev;

	struct clk			*bclk;

	phys_addr_t			protect_base; /* protect memory base */

	struct mtk_iommu_suspend_reg	reg;

	struct mtk_iommu_domain		*m4u_dom;

	struct iommu_group		*m4u_group;

	struct mtk_smi_iommu		smi_imu;      /* SMI larb iommu info */

	bool                            enable_4GB;

};



static struct iommu_ops mtk_iommu_ops;



static struct mtk_iommu_domain *to_mtk_domain(struct iommu_domain *dom)
@@ -551,25 +524,6 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) 
	return 0;

}



static int compare_of(struct device *dev, void *data)

{

	return dev->of_node == data;

}



static int mtk_iommu_bind(struct device *dev)

{

	struct mtk_iommu_data *data = dev_get_drvdata(dev);



	return component_bind_all(dev, &data->smi_imu);

}



static void mtk_iommu_unbind(struct device *dev)

{

	struct mtk_iommu_data *data = dev_get_drvdata(dev);



	component_unbind_all(dev, &data->smi_imu);

}



static const struct component_master_ops mtk_iommu_com_ops = {

	.bind		= mtk_iommu_bind,

	.unbind		= mtk_iommu_unbind,

drivers/iommu/mtk_iommu.h

0 → 100644
+77 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015-2016 MediaTek Inc.

 * Author: Honghui Zhang <honghui.zhang@mediatek.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */



#ifndef _MTK_IOMMU_H_

#define _MTK_IOMMU_H_



#include <linux/clk.h>

#include <linux/component.h>

#include <linux/device.h>

#include <linux/io.h>

#include <linux/iommu.h>

#include <linux/list.h>

#include <linux/spinlock.h>

#include <soc/mediatek/smi.h>



#include "io-pgtable.h"



struct mtk_iommu_suspend_reg {

	u32				standard_axi_mode;

	u32				dcm_dis;

	u32				ctrl_reg;

	u32				int_control0;

	u32				int_main_control;

};



struct mtk_iommu_client_priv {

	struct list_head		client;

	unsigned int			mtk_m4u_id;

	struct device			*m4udev;

};



struct mtk_iommu_domain;



struct mtk_iommu_data {

	void __iomem			*base;

	int				irq;

	struct device			*dev;

	struct clk			*bclk;

	phys_addr_t			protect_base; /* protect memory base */

	struct mtk_iommu_suspend_reg	reg;

	struct mtk_iommu_domain		*m4u_dom;

	struct iommu_group		*m4u_group;

	struct mtk_smi_iommu		smi_imu;      /* SMI larb iommu info */

	bool                            enable_4GB;

};



static int compare_of(struct device *dev, void *data)

{

	return dev->of_node == data;

}



static int mtk_iommu_bind(struct device *dev)

{

	struct mtk_iommu_data *data = dev_get_drvdata(dev);



	return component_bind_all(dev, &data->smi_imu);

}



static void mtk_iommu_unbind(struct device *dev)

{

	struct mtk_iommu_data *data = dev_get_drvdata(dev);



	component_unbind_all(dev, &data->smi_imu);

}



#endif